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tests/fallocate.c
68 строк
2 KB
Dmitry V. Levin
Update copyright headers
28 сен 2025, 17:25
28 сен 2025, 17:25
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/* * Check decoding of fallocate syscall. * * Copyright (c) 2016 Eugene Syromyatnikov <evgsyr@gmail.com> * Copyright (c) 2016-2025 The strace developers. * All rights reserved. * * SPDX-License-Identifier: GPL-2.0-or-later */ #include "tests.h" #include "scno.h" #if defined(__NR_fallocate) && defined(HAVE_FALLOCATE) && HAVE_FALLOCATE # include <errno.h> # include <fcntl.h> # include <stdio.h> # ifndef FALLOC_FL_WRITE_ZEROES /* Avoid conflicts between <fcntl.h> and <linux/falloc.h>. */ # undef FALLOC_FL_KEEP_SIZE # undef FALLOC_FL_PUNCH_HOLE # undef FALLOC_FL_NO_HIDE_STALE # undef FALLOC_FL_COLLAPSE_RANGE # undef FALLOC_FL_ZERO_RANGE # undef FALLOC_FL_INSERT_RANGE # undef FALLOC_FL_UNSHARE_RANGE # include <linux/falloc.h> # endif # include "xlat.h" # include "xlat/falloc_flags.h" int main(void) { static const int bogus_fd = 0xbeefface; static const int bogus_mode = 0xdeadca75; static const off_t bogus_offset = (off_t) 0xbadc0dedda7a1057LLU; static const off_t bogus_len = (off_t) 0xbadfaceca7b0d1e5LLU; long rc = fallocate(bogus_fd, bogus_mode, bogus_offset, bogus_len); /* * Workaround a bug fixed by commit glibc-2.11-346-gde240a0. */ if (rc > 0) { errno = rc; rc = -1; } const char *errstr = sprintrc(rc); printf("fallocate(%d, ", bogus_fd); printflags(falloc_flags, (unsigned) bogus_mode, "FALLOC_FL_???"); printf(", %lld, %lld) = %s\n", (long long) bogus_offset, (long long) bogus_len, errstr); puts("+++ exited with 0 +++"); return 0; } #else SKIP_MAIN_UNDEFINED("__NR_fallocate && HAVE_FALLOCATE"); #endif